Unit test for irida_api.py

[mariellemanlulu]

Description of Changes

Issue: #5

Unit tests added

test_is_submission_type_amr

• Test _is_submission_type_amr function calls and return values
  • Test with COMPLETED data.
  • Test with ERROR data.

    test_is_results_type_amr

• Test _is_results_type_amr return values

  test_get_amr_analysis_submissions_return_value

• Test get_amr_analysis_submissions method to return what is expected
  • Test [True, True, True] to return 3 values
  • Test [False, False, False] to return 0 values
  • Test [False, False, True, False] to return 1 value

    test_get_amr_analysis_submissions_error

• Test get_amr_analysis_submissions to raise an error when expected.